CN104360520A - Touch display module and display device - Google Patents
Touch display module and display device Download PDFInfo
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- CN104360520A CN104360520A CN201410660274.3A CN201410660274A CN104360520A CN 104360520 A CN104360520 A CN 104360520A CN 201410660274 A CN201410660274 A CN 201410660274A CN 104360520 A CN104360520 A CN 104360520A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/13338—Input devices, e.g. touch panels
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- G—PHYSICS
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- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
- G02F1/13439—Electrodes characterised by their electrical, optical, physical properties; materials therefor; method of making
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- G—PHYSICS
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- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/29—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the position or the direction of light beams, i.e. deflection
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- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
- G06F3/04166—Details of scanning methods, e.g. sampling time, grouping of sub areas or time sharing with display driving
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
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- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
- G06F3/0445—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
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- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
- G06F3/0446—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/001—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes using specific devices not provided for in groups G09G3/02 - G09G3/36, e.g. using an intermediate record carrier such as a film slide; Projection systems; Display of non-alphanumerical information, solely or in combination with alphanumerical information, e.g. digital display on projected diapositive as background
- G09G3/003—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes using specific devices not provided for in groups G09G3/02 - G09G3/36, e.g. using an intermediate record carrier such as a film slide; Projection systems; Display of non-alphanumerical information, solely or in combination with alphanumerical information, e.g. digital display on projected diapositive as background to produce spatial visual effects
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/40—OLEDs integrated with touch screens
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/29—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the position or the direction of light beams, i.e. deflection
- G02F1/291—Two-dimensional analogue deflection
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/068—Adjustment of display parameters for control of viewing angle adjustment
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
- G09G3/3225—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3648—Control of matrices with row and column drivers using an active matrix
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- Engineering & Computer Science (AREA)
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- General Engineering & Computer Science (AREA)
- Nonlinear Science (AREA)
- Human Computer Interaction (AREA)
- Optics & Photonics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Mathematical Physics (AREA)
- Computer Hardware Design (AREA)
- Liquid Crystal (AREA)
- Position Input By Displaying (AREA)
Abstract
The invention discloses a touch display module and a display device. The display module comprises an upper substrate, a lower substrate arranged opposite to the upper substrate, a liquid crystal layer arranged between the upper substrate and the lower substrate, and a control chip, wherein one side, which faces the lower substrate, of the upper substrate is provided with a first strip-shaped electrode; one side, which faces the upper substrate, of the lower substrate is provided with a second strip-shaped electrode; the extension directions of the first strip-shaped electrode and the second strip-shaped electrode intersect with each other; the control chip is connected with the first strip-shaped electrode and the second strip-shaped electrode; during 3D (three-dimensional) display, the control chip is used for driving the first strip-shaped electrode and the second strip-shaped electrode in order to realize the function of a liquid crystal lens or a liquid crystal grating; during 2D (two-dimensional) display, the control chip is used for driving the first strip-shaped electrode and the second strip-shaped electrode in order to realize the function of positioning touch operation. By adopting the display module, 3D display can be performed. During 2D display, a touch positioning function can be realized without adding any touch layer, so that the transmittance and light and thin design of the display module are facilitated.
Description
Technical field
The present invention relates to display technique field, particularly a kind of touch display module and display device.
Background technology
Current 3D display technique receives much concern, and the ultimate principle of 3D display utilizes right and left eyes to receive different pictures, then through the process of brain to image information, forms three-dimensional impact.For realizing 3D display, one deck bore hole 3D grating is increased on a display screen in prior art, bore hole 3D grating has two types: slit grating and Lenticular screen, wherein grating realizes the process of 3D is increase a liquid crystal cell on original display screen, liquid crystal cell comprises first substrate and second substrate, and the liquid crystal layer of two-layer substrate central filler, regulated and controled by the electric field formed first substrate and second substrate, liquid crystal is toppled in a certain direction, form the effect of similar lens, and then the light of display panel is assembled in a certain direction, form multiple different vision area, left-eye image and eye image transfer to left eye and right eye respectively, and then experience 3D effect, or liquid crystal forms the structure of similar slit grating under electric field action, make right and left eyes can receive different images, and then experience 3D effect.
On the basis of 3D display technique and touch technology develop rapidly, occurred realizing the display screen that 3D display and touch control operation are located, its structure increases by a touch control layer on 3D display screen simultaneously.Use this structure, its production technology is relatively complicated, and cost of manufacture is high, and can the extra thickness increasing display screen, and namely the injection that newly-increased touch control layer also can affect light affects the permeability of display screen.
Summary of the invention
The technical matters that the present invention mainly solves is to provide a kind of touch display module and display device, can carry out 3D display, and does not increase touch control layer during 2D display and can realize touch-control positioning function, and then is beneficial to the Penetration ration of display module and lightening design thereof.
For solving the problems of the technologies described above, the invention provides a kind of touch display module, comprising: the infrabasal plate that upper substrate and upper substrate are oppositely arranged and the liquid crystal layer be arranged between upper substrate and infrabasal plate; Upper substrate is provided with the first strip shaped electric poles in the face of the side of infrabasal plate, and infrabasal plate is provided with the second strip shaped electric poles in the face of the side of upper substrate, and the first strip shaped electric poles intersects mutually with the second strip shaped electric poles bearing of trend; Display module comprises the control chip of connection first strip shaped electric poles and the second strip shaped electric poles further, when carrying out 3D display, control chip drives the first strip shaped electric poles and the second strip shaped electric poles and then realizes liquid crystal lens or liquid crystal grating function, when carrying out 2D display, the function that control chip drives the first strip shaped electric poles and the second strip shaped electric poles and then realization to position touch control operation.
Wherein, the first strip shaped electric poles is mutually vertical with the second strip shaped electric poles bearing of trend.
Wherein, the interval between two the first strip shaped electric poles of arbitrary neighborhood is identical, and its spacing distance is the first distance; Interval between two the second strip shaped electric poles of arbitrary neighborhood is identical, and its spacing distance is second distance; First distance is greater than second distance; The width of the first all strip shaped electric poles is identical, and its width is the first width; The width of the second all strip shaped electric poles is identical, and its width is the second width; First width is less than the second width.
Wherein, when carrying out 2D display, the function that control chip drives the first strip shaped electric poles and the formation mutual capacitance of the second strip shaped electric poles and then realization to position touch control operation further.
Wherein, the first strip shaped electric poles and the second strip shaped electric poles are transparent indium tin oxide ITO electrode.
For solving the problems of the technologies described above, the invention provides a kind of touch control display device, comprise display module and display panel, described display panel is arranged on below described display module;
Described display module comprises: the infrabasal plate that upper substrate and upper substrate are oppositely arranged and the liquid crystal layer be arranged between upper substrate and infrabasal plate; Upper substrate is provided with the first strip shaped electric poles in the face of the side of infrabasal plate, and infrabasal plate is provided with the second strip shaped electric poles in the face of the side of upper substrate, and the first strip shaped electric poles intersects mutually with the second strip shaped electric poles bearing of trend; Display module comprises the control chip of connection first strip shaped electric poles and the second strip shaped electric poles further, when carrying out 3D display, control chip drives the first strip shaped electric poles and the second strip shaped electric poles and then realizes liquid crystal lens or liquid crystal grating function, when carrying out 2D display, the function that control chip drives the first strip shaped electric poles and the second strip shaped electric poles and then realization to position touch control operation.
Wherein, the first strip shaped electric poles is mutually vertical with the second strip shaped electric poles bearing of trend.
Wherein, the interval between two the first strip shaped electric poles of arbitrary neighborhood is identical, and its spacing distance is the first distance; Interval between two the second strip shaped electric poles of arbitrary neighborhood is identical, and its spacing distance is second distance; First distance is greater than second distance; The width of the first all strip shaped electric poles is identical, and its width is the first width; The width of the second all strip shaped electric poles is identical, and its width is the second width; First width is less than the second width.
Wherein, when carrying out 2D display, the function that control chip drives the first strip shaped electric poles and the formation mutual capacitance of the second strip shaped electric poles and then realization to position touch control operation further.
Wherein, display panel is liquid crystal LCD display panel, organic electroluminescent OLED display panel, plasma P DP display panel or CRT display panel.
The invention has the beneficial effects as follows: be different from prior art, touch display module of the present invention comprises the liquid crystal layer between upper and lower base plate and upper and lower base plate be oppositely arranged, and cross one another strip shaped electric poles is respectively arranged with on upper substrate and infrabasal plate, by control chip, drived control is carried out to two strip shaped electric poles, make liquid crystal layer present lens or raster effects, then show module and can realize 3D display; Because 3D display time consumption and energy consumption is larger, therefore 3D is not sometimes needed to show in actual use, only 2D display need be carried out, now realize multiplexing to display module, touch chip is drived control two strip shaped electric poles in another way, and make display module realize the function positioned touch control operation, the present invention can carry out 3D display, and do not increase touch control layer during 2D display and can realize touch-control positioning function, and then be beneficial to the Penetration ration of display module and lightening design thereof.
Accompanying drawing explanation
Fig. 1 is the structural representation of touch of the present invention display module first embodiment;
Fig. 2 is the structural representation of the first strip shaped electric poles and the second strip shaped electric poles in display module first embodiment shown in Fig. 1;
Fig. 3 is the schematic diagram of control chip and the first strip shaped electric poles or the second strip electrode connection mode in display module first embodiment shown in Fig. 1;
Fig. 4 is that in display module first embodiment shown in Fig. 1, liquid crystal molecule deflects along electric field line direction with the schematic diagram realizing liquid crystal lens function;
Fig. 5 is the principle schematic realizing 3D display when liquid crystal layer is post lens arrangement in display module first embodiment shown in Fig. 1;
Fig. 6 is the schematic diagram applying sweep signal in display module first embodiment shown in Fig. 1 in self-capacitance working method to the first strip shaped electric poles and the second strip shaped electric poles;
Fig. 7 is the circuit diagram of the first strip shaped electric poles and the second strip shaped electric poles self-capacitance working method in display module first embodiment shown in Fig. 1;
Fig. 8 is the schematic diagram applying sweep signal in display module first embodiment shown in Fig. 1 in mutual capacitance working method to the first strip shaped electric poles and the second strip shaped electric poles;
Fig. 9 is the circuit diagram of the first strip shaped electric poles and the second strip shaped electric poles mutual capacitance working method in display module first embodiment shown in Fig. 1;
Figure 10 is the structural representation of touch of the present invention display module second embodiment;
Figure 11 is the structural representation of touch control display device first embodiment of the present invention.
Embodiment
Consult Fig. 1 and Fig. 2, Fig. 1 is the structural representation of touch of the present invention display module first embodiment, Fig. 2 is the structural representation of the first strip shaped electric poles and the second strip shaped electric poles in display module first embodiment shown in Fig. 1, present embodiments provide for a kind of display module 100, comprise upper substrate 101, infrabasal plate 102, liquid crystal layer 103 and control chip 104.
Wherein, upper substrate 101 and infrabasal plate 102 are oppositely arranged, and liquid crystal layer 103 is arranged between upper substrate 101 and infrabasal plate 102; At upper substrate 101, the side of infrabasal plate 102 is provided with the first strip shaped electric poles 105, at infrabasal plate 102, the side of upper substrate 101 is provided with the second strip shaped electric poles 106; First strip shaped electric poles 105 intersects mutually with the second strip shaped electric poles 106 bearing of trend.
In order to have larger visual angle when 3D shows, in present embodiment, liquid crystal layer 103 thickness is 100um, upper substrate 101 and infrabasal plate 102 are the thick glass substrate of 0.5mm, and ito film layer covers on the glass substrate as conductive electrode, and it has good conductivity, advantage that transparency is high.In other embodiments, liquid crystal layer 103 thickness can be set to 50um, 30um or 20um, the thickness for liquid crystal layer 103 is in this no limit, should according to actual service condition, even if the visual requirement of used time different size, arranges the liquid crystal layer of different-thickness accordingly.
Because final light needs the object being realized display by display module, therefore upper substrate 101 and infrabasal plate 102 select transparent material, because glass substrate is with comparatively ripe, and also can realize higher transmittance, therefore select glass substrate in present embodiment.If certainly pursue more light-weighted design, also transparent plastic or other transparent polymer materials etc. can be selected.Current, the glass substrate having formed volume production divides by thickness roughly following several specification: 2.0mm, 1.1mm, 0.7mm, 0.5mm, 0.4mm and 0.3mm, considers cost and request for utilization, selects the glass substrate of 0.5mm thickness in present embodiment.Technician also can choose the glass substrate of other thickness according to the actual requirements, or oneself customizes certain thickness glass substrate as 0.2mm or 3.0mm etc.
In present embodiment, ito film layer covers and forms strip shaped electric poles on the glass substrate, and the first strip shaped electric poles 105 intersects mutually with the second strip shaped electric poles 106 bearing of trend.The principal ingredient of ito film layer is tin indium oxide, and wherein indium oxide transmitance is high, tin oxide conductive is strong.If when display module is less demanding for light transmission rate, also can conductive glue, conductive adhesive tape etc. be used.
Control chip 104 connects the first strip shaped electric poles 105 and the second strip shaped electric poles 106.
In present embodiment, the connection of control chip 104 and the first strip shaped electric poles 105 and the second strip shaped electric poles 106 adopts wire bonding technique, and namely lametta (the about 3um of diameter) is with the circuit of the mode connection control chip 104 of ultrasonic bond or hot bonding and the first strip shaped electric poles 105 or the second strip shaped electric poles 106.Specifically refer to Fig. 3, Fig. 3 is the schematic diagram of control chip and the first strip shaped electric poles or the second strip electrode connection mode in display module first embodiment shown in Fig. 1.At this, do not limit for connecting the process adopted.
Display module 100 has two kinds of display mode: 3D and shows and 2D display.When 3D shows, control chip 104 drives the first strip shaped electric poles 105 and the second strip shaped electric poles 106, and then realizes liquid crystal lens or liquid crystal grating function.
In present embodiment, control chip 104 drives between the first strip shaped electric poles 105 and the second strip shaped electric poles 106 and produces potential difference (PD), realizes liquid crystal lens function to make liquid crystal layer 103.Because the liquid crystal molecule in liquid crystal layer 103 has the characteristic that molecular potential changes to minimum state, namely the long axis direction of liquid crystal molecule and the field intensity direction of extra electric field consistent.Based on this principle, liquid crystal lens function can be realized when applying electric field to liquid crystal layer 103.Specifically refer to Fig. 4, Fig. 4 is that in display module first embodiment shown in Fig. 1, liquid crystal molecule deflects along electric field line direction with the schematic diagram realizing liquid crystal lens function.Wherein, control chip 104 applies voltage to the first strip shaped electric poles 105 and the second strip shaped electric poles 106, to form electric field, and makes the second strip shaped electric poles 106 be in Com current potential; Liquid crystal molecule in liquid crystal layer 103 deflects and forms the structure of similar post lens under the effect of electric field, then realizes the convergence function to light.
When liquid crystal layer 103 is post lens arrangement, light can transfer to left eye and the right eye of people respectively by liquid crystal layer 103, namely achieves 3D display.Specifically refer to Fig. 5, Fig. 5 is the principle schematic realizing 3D display when liquid crystal layer is post lens arrangement in display module first embodiment shown in Fig. 1.Now, can make the left eye of convergence of rays to people of left-eye image, the convergence of rays of eye image to the right eye of people, and then realizes 3D display.
In other embodiments, control chip 104 also can drive between the first strip shaped electric poles 105 and the second strip shaped electric poles 106 and produce potential difference (PD), realizes liquid crystal grating function to make liquid crystal layer 103.Namely liquid crystal molecule forms the structure of similar slit grating under electric field action, and the left-eye image then making the strange pixel column of display panel send transfers to left eye, and dual pixel arranges the eye image sent and transfers to right eye, and then realizes 3D display.
When 2D shows, control chip 104 drives the first strip shaped electric poles 105 and the second strip shaped electric poles 106, and then the function that realization positions touch control operation.
Specific implementation touch control operation is positioned with two kinds of working methods, i.e. self-capacitance or mutual capacitance.For self-capacitance working method, specifically refer to Fig. 6 and Fig. 7, Fig. 6 is the schematic diagram applying sweep signal in display module first embodiment shown in Fig. 1 in self-capacitance working method to the first strip shaped electric poles and the second strip shaped electric poles, and Fig. 7 is the circuit diagram of the first strip shaped electric poles and the second strip shaped electric poles self-capacitance working method in display module first embodiment shown in Fig. 1.
Adopt self-capacitance working method, control chip 104 inputs sweep signal Input 701 to the first strip shaped electric poles 105 and the second strip shaped electric poles 106, first strip shaped electric poles 105 and the second strip shaped electric poles 106 receive touching signals Output 702 simultaneously, detect for the self-capacitance Cr703 of the first strip shaped electric poles 105 and self-capacitance Ct704 of the second strip shaped electric poles 106, wherein self-capacitance is the electric capacity that electrode is formed with ground.If the first strip shaped electric poles 105 quantity is m, the second strip shaped electric poles 106 quantity is n, then need the self-capacitance quantity detected to be m+n.When there is touch-control, first strip shaped electric poles 105 at touch point place and the second strip shaped electric poles 106 receive the signal of capacitance variations respectively, therefore first strip shaped electric poles 105 and second strip shaped electric poles 106 at touch point place can be determined respectively, then point of crossing and the touch point of two strip shaped electric poles is released, adopt this working method, during multi-point touch, easily there is the uncertain problem of touch point, such as during 2 touch-controls, determine two first strip shaped electric poles 105 and the second strip shaped electric poles 106 simultaneously, but there are four points their point of crossing, therefore cannot determine which two touch point be on earth.
For mutual capacitance working method, specifically refer to Fig. 8 and Fig. 9, Fig. 8 is the schematic diagram applying sweep signal in display module first embodiment shown in Fig. 1 in mutual capacitance working method to the first strip shaped electric poles and the second strip shaped electric poles, and Fig. 9 is the circuit diagram of the first strip shaped electric poles and the second strip shaped electric poles mutual capacitance working method in display module first embodiment shown in Fig. 1.
Adopt the working method of mutual capacitance, control chip 104 inputs sweep signal Input 901 to the second strip shaped electric poles 106, first strip shaped electric poles 105 receives touching signals Output 902 simultaneously, mutual capacitance Cm 903 for the first strip shaped electric poles 105 and the second strip shaped electric poles 106 intersection detects, and wherein mutual capacitance 903 is the electric capacity that two electrodes are formed.If the first strip shaped electric poles 105 quantity is m, the second strip shaped electric poles 106 quantity is n, then need the mutual capacitance quantity detected to be m × n.When there is touch-control, the capacitance according to detecting each joint can determine touch point.Adopt this working method, need the point of detection too much, work efficiency is lower.
In order to really realize multi-point touch, in present embodiment, adopt the working method of mutual capacitance.Also the working method of electric capacity can be selected from other embodiments, or the working method of self-capacitance and mutual capacitance combination.
Be different from prior art, present embodiment touch display module comprises the liquid crystal layer between upper and lower base plate and upper and lower base plate be oppositely arranged, and cross one another strip shaped electric poles is respectively arranged with on upper substrate and infrabasal plate, by control chip, drived control is carried out to two strip shaped electric poles, make liquid crystal layer present lens or raster effects, then show module and can realize 3D display; And do not needing 3D to show, and when carrying out 2D display, realize multiplexing to display module, i.e. touch chip drived control two strip shaped electric poles in another way, makes display module realize the function positioned touch control operation.Present embodiment can carry out 3D display, and does not increase touch control layer and can realize touch-control positioning function during 2D display, and then is beneficial to the Penetration ration of display module and lightening design thereof.
Refer to Figure 10 and Figure 11, Figure 10 is the structural representation of touch of the present invention display module second embodiment, and present embodiment provides a kind of display module 200, comprises upper substrate 201, infrabasal plate 202, liquid crystal layer 203 and control chip 204.
Wherein, upper substrate 201 and infrabasal plate 202 are oppositely arranged, and liquid crystal layer 203 is arranged between upper substrate 201 and infrabasal plate 202; At upper substrate 201, the side of infrabasal plate 202 is provided with the first strip shaped electric poles 205, at infrabasal plate 202, the side of upper substrate 201 is provided with the second strip shaped electric poles 206; First strip shaped electric poles 205 intersects mutually with the second strip shaped electric poles 206 bearing of trend.
Control chip 204 connects the first strip shaped electric poles 205 and the second strip shaped electric poles 206, and when 3D shows, control chip 204 drives the first strip shaped electric poles 205 and the second strip shaped electric poles 206, and then realizes liquid crystal lens or liquid crystal grating function.When 2D shows, control chip 204 drives the first strip shaped electric poles 205 and the second strip shaped electric poles 206, and then the function that realization positions touch control operation.
In present embodiment, the structure and arranging of upper substrate 201, infrabasal plate 202, liquid crystal layer 203, control chip 204, first strip shaped electric poles 205 and the second strip shaped electric poles 206 is all similar to touch display module first embodiment, does not repeat them here.
Needs further illustrate, and in the present embodiment, the first strip shaped electric poles 205 is mutually vertical with the second strip shaped electric poles 206 bearing of trend.Two electrodes vertically arrange location when being more conducive to touch control operation mutually.
Interval between two the first strip shaped electric poles 205 of arbitrary neighborhood is identical, and its spacing distance is the first distance d
1; Interval between two the second strip shaped electric poles 206 of arbitrary neighborhood is identical, and its spacing distance is second distance d
2; First distance d
1be greater than second distance d
2; The width of the first all strip shaped electric poles 205 is identical, and its width is the first width c
1; The width of the second all strip shaped electric poles 206 is identical, and its width is the second width c
2; First width c
1be less than the second width c
2.
Second width c
2arrange comparatively large and second distance d
2arranging less is to not affect the electric field formed between upper and lower base plate in 3D procedure for displaying.If by the first width c
1with the second width c
2be set to identical, and the first distance d
1with second distance d
2also be set to identical, be then not easy to form regular electric field, namely effectively cannot realize the function of liquid crystal lens or liquid crystal grating.
Be different from prior art, present embodiment touch display module comprises the liquid crystal layer between upper and lower base plate and upper and lower base plate be oppositely arranged, and cross one another strip shaped electric poles is respectively arranged with on upper substrate and infrabasal plate, by control chip, drived control is carried out to two strip shaped electric poles, make liquid crystal layer present lens or raster effects, then show module and can realize 3D display; And do not needing 3D to show, and when carrying out 2D display, realize multiplexing to display module, i.e. touch chip drived control two strip shaped electric poles in another way, makes display module realize the function positioned touch control operation.Present embodiment can carry out 3D display, and does not increase touch control layer and can realize touch-control positioning function during 2D display, and then is beneficial to the Penetration ration of display module and lightening design thereof.Further, in present embodiment, the second strip shaped electric poles is provided with wider width and narrower spacing distance relative to the first strip shaped electric poles, can realize liquid crystal lens function better.
Refer to Figure 11, Figure 11 is the structural representation of touch control display device first embodiment of the present invention, and present embodiment provides a kind of display device 300, comprises display module 301 and display panel 302.
Wherein show module 301 and comprise upper substrate 3011, infrabasal plate 3012, liquid crystal layer 3013, control chip 3014, first strip shaped electric poles 3015 and the second strip shaped electric poles 3016.Display module 301 in present embodiment is similar to the display module 200 in the second embodiment, also repeats no more at this.
Display panel 302 is arranged on below display module 301, and when carrying out 3D display, display panel 302 sends left eye 3D rendering and right eye 3D rendering respectively, is then sent to left eye and the right eye of people respectively, presents 3D display effect through display module 301.When carrying out 2D display, display panel 302 sends 2D image, is sent to human eye, presents 2D display effect through display module 302.
In present embodiment, display panel is liquid crystal LCD display panel, can also select organic electroluminescent OLED display panel, plasma P DP display panel or CRT display panel in other embodiments.
Be different from prior art, when in present embodiment, display device realizes 3D display, display panel sends left eye 3D rendering and right eye 3D rendering respectively, the control chip simultaneously shown in module drives two strip shaped electric poles, liquid crystal layer is made to present lens or raster effects, then make left eye 3D rendering be sent to the left eye of people, right eye 3D rendering is sent to the right eye of people, realizes 3D display; Do not needing 3D to show, and when carrying out 2D display, control chip drived control two strip shaped electric poles in another way in display module, make display module realize the function positioned touch control operation.Present embodiment can carry out 3D display, and does not increase touch control layer and can realize touch-control positioning function during 2D display, and then is beneficial to the Penetration ration of display module and lightening design thereof.
The foregoing is only embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize instructions of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. a touch display module, it is characterized in that, described display module comprises: the infrabasal plate that upper substrate and described upper substrate are oppositely arranged and the liquid crystal layer be arranged between described upper substrate and described infrabasal plate;
Described upper substrate is provided with the first strip shaped electric poles in the face of the side of described infrabasal plate, and described infrabasal plate is provided with the second strip shaped electric poles in the face of the side of described upper substrate, and described first strip shaped electric poles intersects mutually with described second strip shaped electric poles bearing of trend;
Described display module comprises the control chip connecting described first strip shaped electric poles and described second strip shaped electric poles further, when carrying out 3D display, described control chip drives described first strip shaped electric poles and described second strip shaped electric poles and then realizes liquid crystal lens or liquid crystal grating function, when carrying out 2D display, the function that described control chip drives described first strip shaped electric poles and described second strip shaped electric poles and then realization to position touch control operation.
2. display module according to claim 1, is characterized in that, described first strip shaped electric poles is mutually vertical with described second strip shaped electric poles bearing of trend.
3. display module according to claim 1, is characterized in that, the interval between two the first strip shaped electric poles of arbitrary neighborhood is identical, and its spacing distance is the first distance; Interval between two the second strip shaped electric poles of arbitrary neighborhood is identical, and its spacing distance is second distance; Described first distance is greater than described second distance;
The width of the first all strip shaped electric poles is identical, and its width is the first width; The width of the second all strip shaped electric poles is identical, and its width is the second width; Described first width is less than described second width.
4. display module according to claim 1, is characterized in that, when carrying out 2D display, and the function that described control chip drives described first strip shaped electric poles and described second strip shaped electric poles formation mutual capacitance and then realization to position touch control operation further.
5. display module according to claim 1, is characterized in that, described first strip shaped electric poles and described second strip shaped electric poles are tin indium oxide ITO electrode.
6. a touch control display device, is characterized in that, described display device comprises display module and display panel, and described display panel is arranged on below described display module;
Described display module comprises: the infrabasal plate that upper substrate and described upper substrate are oppositely arranged and the liquid crystal layer be arranged between described upper substrate and described infrabasal plate;
Described upper substrate is provided with the first strip shaped electric poles in the face of the side of described infrabasal plate, and described infrabasal plate is provided with the second strip shaped electric poles in the face of the side of described upper substrate, and described first strip shaped electric poles intersects mutually with described second strip shaped electric poles bearing of trend;
Described display module comprises the control chip connecting described first strip shaped electric poles and described second strip shaped electric poles further, when carrying out 3D display, described control chip drives described first strip shaped electric poles and described second strip shaped electric poles and then realizes liquid crystal lens or liquid crystal grating function, when carrying out 2D display, the function that described control chip drives described first strip shaped electric poles and described second strip shaped electric poles and then realization to position touch control operation.
7. display device according to claim 6, is characterized in that, described first strip shaped electric poles is mutually vertical with described second strip shaped electric poles bearing of trend.
8. display device according to claim 6, is characterized in that, the interval between two the first strip shaped electric poles of arbitrary neighborhood is identical, and its spacing distance is the first distance; Interval between two the second strip shaped electric poles of arbitrary neighborhood is identical, and its spacing distance is second distance; Described first distance is greater than described second distance;
The width of the first all strip shaped electric poles is identical, and its width is the first width; The width of the second all strip shaped electric poles is identical, and its width is the second width; Described first width is less than described second width.
9. display device according to claim 6, is characterized in that, when carrying out 2D display, and the function that described control chip drives described first strip shaped electric poles and described second strip shaped electric poles formation mutual capacitance and then realization to position touch control operation further.
10. display device according to claim 6, is characterized in that, described display panel is liquid crystal LCD display panel, organic electroluminescent OLED display panel, plasma P DP display panel or CRT display panel.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410660274.3A CN104360520A (en) | 2014-11-18 | 2014-11-18 | Touch display module and display device |
| US14/407,935 US20170300152A1 (en) | 2014-11-18 | 2014-11-21 | Touch control display module and display device |
| PCT/CN2014/091891 WO2016078077A1 (en) | 2014-11-18 | 2014-11-21 | Touch control display module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410660274.3A CN104360520A (en) | 2014-11-18 | 2014-11-18 | Touch display module and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104360520A true CN104360520A (en) | 2015-02-18 |
Family
ID=52527796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410660274.3A Pending CN104360520A (en) | 2014-11-18 | 2014-11-18 | Touch display module and display device |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20170300152A1 (en) |
| CN (1) | CN104360520A (en) |
| WO (1) | WO2016078077A1 (en) |
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Also Published As
| Publication number | Publication date |
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| US20170300152A1 (en) | 2017-10-19 |
| WO2016078077A1 (en) | 2016-05-26 |
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